Life on Earth will become unsustainable unless population growth is held in check.人口增长要是不加控制的话，地球上的生命将无法持续发展。The story in Estonia and Lithuania is similar — and looks equally unsustainable.爱沙尼亚和立陶宛情形也与之相似,都不能持续下去.No one ...
a signatory of the Declaration of Independence《独立宣言》的签署者They will sign the declaration tomorrow...他们明天将签署这份公告。It was meant to sound like an epoch-making declaration.有意让它听起来像是一个划时代的宣言。Protesters called on the government t...
关于厌食的起因存在颇多争论。The causes of anorexia are much debated.最新研究使人们进一步了解了这种疾病的起因.Recent research has cast new light on the causes of the disease.消防队员对这场火灾的起因困惑不解.The firemen were in a puzzle about the cause of the fire....
The work gets done more quickly when we collaborate.我们一旦合作,工作做起来就更快了.Thirdly, we collaborate to design a simulation platform of cellular system.第三, 参与搭建了CDMA系统仿真平台.I would ask you to collaborate with us in this work.我们愿意...